Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebabc2d0ba4dbd47…

MALICIOUS

PDF

34.0 KB Created: 2021-07-05 19:23:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2cdeecad673c52693e73984b5958afee SHA-1: f3e6c3d1f9be28daef7196cfb38ee189ba0b7485 SHA-256: ebabc2d0ba4dbd47ef86913d437a406f19de3e6c6dd45d19c7b21d5e26f8f637
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free Robux' and game hacks, directing users to the URL http://netcdn.tw/app/431946152/free-robux-app-game-hack. This heuristic, combined with the ML classifier's high confidence, indicates a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document structure and embedded URLs suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.tw/app/431946152/free-robux-app-game-hack PDF link annotation
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/free-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/jailbreak-script_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/coin-master-free-spin-27_GM406889139.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/minecraft-kill-aura_GM479516143.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/free-minecraft-alts_GM479516143.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/free-roblox-generator-com_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/tiktok-free-on-google_GM835599320.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/roblox-legends-of-speed-hack_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/coin-master-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/free-roblox-clothing-2021_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/get-free-robux-today_GM431946152.pdfIn PDF document text
    • http://opac.b2p2vrp.litbang.kemkes.go.id/repository/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E2F 22416 bytes
SHA-256: c810574b2d91715d282bc3ff9aea3f581f031bc9fd7d29d03fd6085da12e15aa
font_01_sfnt_off0000603f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x603F 18892 bytes
SHA-256: 98799f5422297995f0985cb1c378b21e0f8722881e70436717831cdef5a17d10

Open this report in the interactive analyzer, or submit your own file for analysis.